from typing import TypeVar, Any, List

T = TypeVar('T')

# @meta
name = 'builtin'

# @meta
title = '基本功能'

# @var
logs = []

# @func
def 调试输出(消息: Any):
  logs.append(消息)

# @pure
def 拼接(A: str, B: str) -> str:
  return A + B

# @pure
def 范围(a: int, b: int) -> List[int]:
  return list(range(a, b+1))

# @pure
def hh(a: T, b: T) -> T:
  return a + b